DYN_COLOR_EN
PUT_RING(xdir | rop << 16 | dpitch | DYN_COLOR_EN | blit_bpp);
PUT_RING(rop << 16 | pitch | SOLIDPATTERN | DYN_COLOR_EN | blit_bpp);
PUT_RING(DYN_COLOR_EN | blit_bpp | rop << 16 | dpitch);